The invention discloses a brewing process of fragrant and soft Maotai-flavor liquor. The brewing process comprises the following steps: step 1, selecting old straws with good color and luster and purekoji flavor; step 2, wheat wetting: adding old straw for soaking after impurity removal of wheat, wherein three conditions of water quantity, water temperature and time for wheat wetting need to be mastered during wheat wetting; step 3, paying attention to turning and stacking during wheat wetting, and turning to enable each grain of wheat to uniformly absorb moisture; step 4, starter propagationand material mixing, wherein the water content is controlled to be 36-38%; step 5, after six rounds of wine taking, performing grain supplementing again, wherein the specific operation is as follows:1) sorghum is ground, steamed, spread and cooled to 25-35 DEG C; and 2) the fermented grains for six rounds are taken, spreading and cooling are carried out to 25-32 DEG C, mixing is performed with yeast powder, and mixing with the standby fermented grains can be carried out. The fragrant and soft Maotai-flavor liquor produced by the process provided by the invention effectively removes the withered, burnt and bitter tastes in the traditional Maotai-flavor liquor, so that the liquor body is more fragrant, mellow and soft, and the acceptability of consumers is wider.